A tall stack of smaller shapes.
Correct. A big arrow pointing up from a six-sided base.
Correct. A rectangle that has a spike at the top right and bottom left.
Correct. A big diamond with a pair of tails, almost like a letter M.
Not the one I meant but a right answer so keep it. Now add the shape with two very large pointed feet.
No, not that one. This shape has a large central diamond.
Again, no. This shape has a pointed top and three points on the bottom, the outer two very large and the central one smaller.
Oh come on. Not even close. Try again.
No, try again.
No.

Outcome: successful
Speaker comments: Was perfect until the last shape and then didn't seem to understand me at all.